/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.dx.cf.iface;

import com.android.dx.rop.cst.CstNat;
import com.android.dx.rop.cst.CstString;
import com.android.dx.rop.cst.CstType;

/**
 * Standard implementation of {@link Member}, which directly stores all the
 * associated data.
 */
public abstract class StdMember implements Member {

	/** {@code non-null;} the defining class */
	private final CstType definingClass;

	/** access flags */
	private final int accessFlags;

	/** {@code non-null;} member name and type */
	private final CstNat nat;

	/** {@code non-null;} list of associated attributes */
	private final AttributeList attributes;

	/**
	 * Constructs an instance.
	 * 
	 * @param definingClass
	 *            {@code non-null;} the defining class
	 * @param accessFlags
	 *            access flags
	 * @param nat
	 *            {@code non-null;} member name and type (descriptor)
	 * @param attributes
	 *            {@code non-null;} list of associated attributes
	 */
	public StdMember(CstType definingClass, int accessFlags, CstNat nat,
			AttributeList attributes) {
		if (definingClass == null) {
			throw new NullPointerException("definingClass == null");
		}

		if (nat == null) {
			throw new NullPointerException("nat == null");
		}

		if (attributes == null) {
			throw new NullPointerException("attributes == null");
		}

		this.definingClass = definingClass;
		this.accessFlags = accessFlags;
		this.nat = nat;
		this.attributes = attributes;
	}

	/** {@inheritDoc} */
	@Override
	public String toString() {
		StringBuffer sb = new StringBuffer(100);

		sb.append(getClass().getName());
		sb.append('{');
		sb.append(nat.toHuman());
		sb.append('}');

		return sb.toString();
	}

	/** {@inheritDoc} */
	public final CstType getDefiningClass() {
		return definingClass;
	}

	/** {@inheritDoc} */
	public final int getAccessFlags() {
		return accessFlags;
	}

	/** {@inheritDoc} */
	public final CstNat getNat() {
		return nat;
	}

	/** {@inheritDoc} */
	public final CstString getName() {
		return nat.getName();
	}

	/** {@inheritDoc} */
	public final CstString getDescriptor() {
		return nat.getDescriptor();
	}

	/** {@inheritDoc} */
	public final AttributeList getAttributes() {
		return attributes;
	}
}
